package com.kuangsheng.demo01Scanner用户交互;

import java.util.Scanner;

public class Demo04 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        //从键盘接收数据
        int i = 0;
        float f = 0.0f;

        System.out.println("请输入整数：");

        //如果。。。那么
        if (scanner.hasNextInt()){

            i = scanner.nextInt();
            System.out.println("整数数据：" + i);

        }else {
            System.out.println("你输入的不是整数数据");
        }

        System.out.println("请输入float小数：");

        if (scanner.hasNextFloat()){

            f = scanner.nextFloat();
            System.out.println("小数数据：" + f);

        }else {
            System.out.println("你输入的不是小数数据");
        }


        scanner.close();
    }
}
